001 /* 002 * Licensed to the Apache Software Foundation (ASF) under one or more 003 * contributor license agreements. See the NOTICE file distributed with 004 * this work for additional information regarding copyright ownership. 005 * The ASF licenses this file to You under the Apache License, Version 2.0 006 * (the "License"); you may not use this file except in compliance with 007 * the License. You may obtain a copy of the License at 008 * 009 * http://www.apache.org/licenses/LICENSE-2.0 010 * 011 * Unless required by applicable law or agreed to in writing, software 012 * distributed under the License is distributed on an "AS IS" BASIS, 013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 014 * See the License for the specific language governing permissions and 015 * limitations under the License. 016 */ 017 018 019 package jsp2.examples.simpletag; 020 021 import javax.servlet.jsp.JspException; 022 import javax.servlet.jsp.tagext.SimpleTagSupport; 023 import java.io.IOException; 024 025 /** 026 * SimpleTag handler that accepts a num attribute and 027 * invokes its body 'num' times. 028 */ 029 public class RepeatSimpleTag extends SimpleTagSupport { 030 private int num; 031 032 public void doTag() throws JspException, IOException { 033 for (int i=0; i<num; i++) { 034 getJspContext().setAttribute("count", String.valueOf( i + 1 ) ); 035 getJspBody().invoke(null); 036 } 037 } 038 039 public void setNum(int num) { 040 this.num = num; 041 } 042 }